Difference between revisions of "NCERT - 8 - Maths :: Understanding Quadrilaterals"
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| + | https://drive.google.com/open?id=0BzNF2YyqQxJ-LWs4aDhtWUhCbXc | ||
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Revision as of 05:30, 5 August 2017
Go To: NCERT-Mathematics-Grade 8
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[Author - Kripa S]
Objective: Introduce Polygons, explain Quadrilaterals, types and properties
Subtopics to be covered:
- Identify polygons and classify based on number of sides
- Classify polygons (convex, concave, regular, irregular)
- Sum of angles of a polygon
- Types of Quadrilaterals and their properties (Trapezium, Kite, Parallelogram, Rhombus, Rectangle, Square)
Learning Outcome:
- Students can classify polygons and quadrilaterals
- Students can define types of quadrilaterals
[Author - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0853-Ganit/Chapter_3/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0852-Mathematics/3/index.html (NCERT English Medium)
[Author - Rishi Mazumdar]
https://hi.khanacademy.org/math/in-math-by-grade/in-eighth-grade-math/understanding-quadrilaterals-1 (Khan Academy)
[Author - Kripa S]
http://www.rogersconnection.com/triangles/images/RCPoly.jpg (regular polygons)
http://www.aplustopper.com/wp-content/uploads/2016/10/what-is-a-quadrilateral-1.jpg (types of quadrilaterals)
http://www.skwirk.com/content/upload/images/Secondary/NSW/year_8/maths/solids_angles/tp3/ch3/tp3ch3_image3.jpg (properties of quadrilaterals)
[Author - Kripa S]
1. Make teams of 6 students. One team will explain what is interior and exterior of a closed curve (all students stand in a circle seeing inside for interior and outside for exterior). Another team will explain what is convex and concave polygon (they'll stand to make a polygon of that shape). One group will show the difference between regular and irregular polygon (the students will stand at equidistant positions, or near and far away).
2. Make two teams. One team will draw a polygon on board and other will guess what it is. Play for 10-15 times and add the score to find the winning team
[Author - Fathima Nazar]
| Term | Transliterated Term | Translated Term | |
| quadrilateral | क़्वाड्रिलेटरल | चतुष्कोष | |
| plane | प्लेन | ||
| surface | सर्फेस | सतह | |
| curve | कर्व | वक्र | |
| polygon | पॉलीगोन | बहुभुज | |
| diagonal | डायगोनल | विकर्ण | |
| convex | कॉन्वेक्स | उत्तल | |
| concave | कॉनकेव | नतोदर | |
| regular | रेगुलर | नियमित | |
| irregular | इर्रेगुलर | अनियमित | |
| trapezium | ट्रपीज़ियम | समलंब | |
| kite | काइट | पतंग | |
| parallelogram | पाराल्लेलोग्राम | चतुर्भुज | |
| rectangle | रेक्टैंगल | आयत | |
| rhombus | रोम्बस | विषमकोण | |
| square | स्क्वायर | चौकोर | |
| bisect | बाइसेक्ट | द्विविभाजित करना |
[Author - Amitesh Kulshreshtha]
https://drive.google.com/open?id=0BzNF2YyqQxJ-LWs4aDhtWUhCbXc
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